Sunbeam Overheating or Electrical Insulation Breakdown

Coffee maker emits a burning smell during operation.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Spilled coffee on warming plate burning off, Dust or grease on heater, Failing wiring insulation, Overheating heater element

How to Fix / Troubleshooting

Safety first: If you smell burning plastic or see smoke, unplug the coffee maker immediately and do not continue using it until inspected. Fire risk is present.

  • 1. Inspect for spills
    • Once cool, clean the warming plate and surrounding area of any burnt coffee or residue.
  • 2. Check exterior
    • Look for discoloration or melting on the housing.
  • 3. Internal inspection (advanced)
    • Unplug and remove the bottom cover.
    • Inspect wiring for melted insulation, burnt connectors, or scorched PCB areas.
  • 4. Do not operate with damage
    • If any internal components show signs of burning, replace the damaged wiring harness, heater, or control board before using again.
  • 5. Seek professional service
    • Due to fire risk, consider having a qualified technician evaluate the unit if any burning smell persists.
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Repair Difficulty

Professional Required 5/5

Required Part

Heating Element and Wiring Harness
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